International audienceThis study reports on one year (May 1, 2007 - April 30, 2008) of dew, fog and rain measurements carried out in the dryland area of Mirleft, Morocco in order to be used as alternative or supplemental sources of water. Four standard dew condensers and a passive fog net collector of 1 m² surfaces were used. Meteorological data were collected. 178 dew events (18.85 mm), 31 rain events (48.65 mm) and 7 significant fog episodes (1.41 mm) occurred, corresponding to almost 40% of the yearly rain contribution (48.65 mm, 31 events). Chemical and biological analyses were carried out. Dew and rain pH were neutral (close to 7) and the total mineralization was considerable (dew: 560 mg/L; rain: 230 mg/L). Ca²+, K+, SO42- and NO3- are found of continental origin; Cl-, Na+ and Mg2+ are of sea origin. The ions concentration agrees with the World Health Organization recommendations for potable water. The biological analysis shows harmless vegetal spores and little contamination by animal/human bacteria. A cost analysis shows that, with little investment, the population of the arid and semi-arid coastal areas of south-western north Africa could make dew water an interesting supplementary alternative water resource
Medical waste management is of major concern due to the potentially high risks to both human health and the environment caused by inadequate waste management practices. In Morocco, as in many developing countries, little information is available regarding generation handling, and disposal of medical waste. The specific objective of this study was to analyse the medical waste management practices in the Souss-Massa-Drâa region, Morocco. The study was carried out in seven of the twelve hospitals in the region, covering 66.2% of the bed capacity. A total of 219 healthcare personnel and their assistants were included: 35 doctors, 98 nurses, and 86 housekeepers. Site visits, interviews, and survey questionnaires were implemented to collect information regarding different medical waste management aspects, including medical waste generation, separation, collection, storage, transportation, and disposal. The results indicated that the medical waste generation rate ranged from 0.4 to 0.7 Kg/bed-day with a weighted average of 0.53 Kg/bed-day. The percentage of infectious and hazardous wastes in the total medical waste stream was about 30.5%. The remaining 69.5% was general wastes similar in properties to municipal wastes. Concerning waste separation, housekeepers demonstrate a slightly higher knowledge about waste separation, with 49.4% of correct answers, with nurses at 45.7%, and doctors the lowest value at 38.6%. The results about other management aspects indicated that practices in most surveyed hospitals did not comply with the principles stated in Moroccan legislation. Based on the findings, some measures are suggested to improve the present conditions and ensure that potential health and environmental risks of medical waste are minimized.
The Issen basin is a dry area affected by climate variability and desertification. It is located in high spot of Moroccan flora biodiversity that includes argan tree ecosystem as a part of the Western High Atlas (WHA). The objective of this work is to assess rainfall variability and erosivity as determining factors of soil erosion and vegetation cover degradation. The results reveal an arid to superior semi-arid climate where annual rainfall range from 200 mm in the centre of the Argana corridor, to 500 mm in the snow-covered northern foothills. The analysis of the 37 years of rainfall data indicate a coefficient of variation Cvis about67%. The erosivity index presents a high variability range from 34 to more than 81 MJ.mm/ha.h.yr in the wettest areas, indicating considerable soil erosion. In addition, the basin suffering from severe periods of drought due to the occurrence of the continuous decrease of the accumulated precipitation. Eventually, the rainfall variability and erosivity can affect ecosystem function and services (ecosystem degradation, water availability, etc).
In recent years, rural tourism has developed a lot and especially in the Souss Massa Drâa region, in the South West of Morocco. The need to implement an eco-friendly sewage treatment has grown accordingly to resolve the wastewater issue. In this context, a pilot project of planted filters has been achieved in the Atlas Kasbah Ecolodge. During 3 years, the water purification performance and its compliance with the requirements of environmental management were assessed. The objective was to find an eco-friendly and affordable alternative to noncompliant ditches and sumps found in the rural areas of Morocco. The monitoring of physicochemical parameters of treated wastewater has revealed a perfect adaptation of the system to the needs of rural tourism facilities both in terms of efficiency and in terms of integration into the natural environment. Thus, such a technique could be spread in remote areas.
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